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  VS Arduino › › › Map() function warning message
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Hot Topic (More than 8 Replies) Map() function warning message (Read 3415 times)
RalphF
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Map() function warning message
Jun 22nd, 2018 at 4:10pm
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I have a small test sketch that uses the map() function. In my VS 2017 I get a red line under the map() function saying there are no over loaded methods found. I think this might be a vmicro issue since I don't get this warning if I load the sketch into my Ardunio IDE itself.

Code (C++)
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#include <Arduino.h>

void setup()
{
	const int16_t mapped = 123;
	int16_t value = map(mapped, 200, 3700, 0, 319);
}

void loop()
{

}
« Last Edit: Jun 22nd, 2018 at 4:13pm by RalphF »  
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Tim@Visual Micro
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Re: Map() function warning message
Reply #1 - Jun 23rd, 2018 at 12:14pm
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Hi,

The arduino ide doesn't have intellisense so you don't get any warnings in the code.

The intellisense and the build are two different things. Intellisense is less accurate than builds because we hijack the Visual Studio c++ intellisense system.

We can often improve it but it is very specific to each core so you need to say which board and core and you are using for intellisense reports.

Thanks
  
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RalphF
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Re: Map() function warning message
Reply #2 - Jun 26th, 2018 at 3:56pm
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I'm using the Teensy 3.2 board.
  
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Tim@Visual Micro
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Re: Map() function warning message
Reply #3 - Jun 26th, 2018 at 8:09pm
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Do you understand this is an intellisense error and do you agree your project builds OK same as arduino ide?
  
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RalphF
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Re: Map() function warning message
Reply #4 - Jun 26th, 2018 at 10:05pm
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Yes, I agree.
  
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RalphF
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Re: Map() function warning message
Reply #5 - Jun 26th, 2018 at 11:04pm
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FYI with that other post I made re the pinMode(), I switched to the Teensy 3.6 (from the 3.2) and all the compile warnings went away. I'm not sure why that is the case.
  
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Tim@Visual Micro
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Re: Map() function warning message
Reply #6 - Jun 26th, 2018 at 11:16pm
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Hi,

Are you reporting compiler warnings after clicking build or are you reporting intellisense errors?
  
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RalphF
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Re: Map() function warning message
Reply #7 - Jun 26th, 2018 at 11:45pm
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Under teensy 3.2 they were intellisense warnings and I could not do a successful compile.

When I switched to 3.6 the intellisense warnings went away and I could compile successfully.
  
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Tim@Visual Micro
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Re: Map() function warning message
Reply #8 - Jun 26th, 2018 at 11:48pm
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Thanks

Please reproduce the error after switching on compiler>verbose and "show build properties"

Then post the output as .txt or email to info[at]visualmicro.com along with link to this post

Thanks
  
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RalphF
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Re: Map() function warning message
Reply #9 - Jun 27th, 2018 at 1:02am
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Attached are the .txt files with the Teensy 3.2 compile fail and the Teensy 3.6 compile success. Same Sketch.
  
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